/ Dictionary / Index L louis d'or: Meaning and Definition of Find definitions for: lou•is d'or Pronunciation: (l"ē dôr' Fr. lwē dôr'), [key] — pl. lou•is d'or a former gold coin of France, issued from 1640 to 1795; pistole. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Louisburg Louise Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language